Your search for "Gargoyle Sentinel 236" revealed the following:
Gargoyle Sentinel (M19) from Core Set 2019, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Drew Baker Card Text:Defender (This creature can’t attack.)3: Until end of turn, Gargoyle Sentinel loses defender and gains flying.
Gargoyle Sentinel (Foil) (M19) from Core Set 2019, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Drew Baker Card Text:Defender (This creature can’t attack.)3: Until end of turn, Gargoyle Sentinel loses defender and gains flying.
Gargoyle Sentinel (M11) from Magic 2011, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Drew Baker Card Text:Defender (This creature can't attack.)3: Gargoyle Sentinel loses defender and gains flying until end of turn.
Gargoyle Sentinel (Foil) (M15) from Magic 2015, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Drew Baker Card Text:Defender (This creature can't attack.)3: Until end of turn, Gargoyle Sentinel loses defender and gains flying.